1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpigen.h>
#include <acpi/acpi_device.h>
#include <acpi/acpi_soundwire.h>
#include <device/device.h>
#include <device/soundwire.h>
#include <mipi/ids.h>
#include <stdio.h>
#include "chip.h"
static struct soundwire_address alc1308_address = {
.version = SOUNDWIRE_VERSION_1_1,
.manufacturer_id = MIPI_MFG_ID_REALTEK,
.part_id = MIPI_DEV_ID_REALTEK_ALC1308,
.class = MIPI_CLASS_NONE
};
static struct soundwire_slave alc1308_slave = {
.wake_up_unavailable = false,
.test_mode_supported = false,
.clock_stop_mode1_supported = true,
.simplified_clockstopprepare_sm_supported = true,
.clockstopprepare_hard_reset_behavior = false,
.highPHY_capable = false,
.paging_supported = false,
.bank_delay_supported = false,
.port15_read_behavior = false,
.source_port_list = SOUNDWIRE_PORT(2) | SOUNDWIRE_PORT(4),
.sink_port_list = SOUNDWIRE_PORT(1)
};
static struct soundwire_audio_mode alc1308_audio_mode = {
/* Bus frequency must be 1/2/4/8 divider of supported input frequencies. */
.bus_frequency_configs_count = 12,
.bus_frequency_configs = {
9600 * KHz, 4800 * KHz, 2400 * KHz, 1200 * KHz, /* 9.6 MHz */
12000 * KHz, 6000 * KHz, 3000 * KHz, 1500 * KHz, /* 12 MHz */
12288 * KHz, 6144 * KHz, 3072 * KHz, 1536 * KHz /* 12.288 MHz */
},
/* Support 16 KHz to 96 KHz sampling frequency */
.sampling_frequency_configs_count = 8,
.sampling_frequency_configs = {
16 * KHz,
22.05 * KHz,
24 * KHz,
32 * KHz,
44.1 * KHz,
48 * KHz,
88.2 * KHz,
96 * KHz,
},
.prepare_channel_behavior = CHANNEL_PREPARE_ANY_FREQUENCY
};
static struct soundwire_dpn alc1308_dp1 = {
.port_wordlength_configs_count = 1,
.port_wordlength_configs = { 32 },
.data_port_type = FULL_DATA_PORT,
.max_grouping_supported = BLOCK_GROUP_COUNT_1,
.simplified_channelprepare_sm = false,
.imp_def_dpn_interrupts_supported = 0,
.min_channel_number = 1,
.max_channel_number = 2,
.modes_supported = MODE_ISOCHRONOUS | MODE_TX_CONTROLLED |
MODE_RX_CONTROLLED | MODE_FULL_ASYNCHRONOUS,
.block_packing_mode = true,
.port_audio_mode_count = 1,
.port_audio_mode_list = { 0 }
};
static const struct soundwire_codec alc1308_codec = {
.slave = &alc1308_slave,
.audio_mode = { &alc1308_audio_mode },
.dpn = {
{
/* Data Input for Speaker Path */
.port = 1,
.sink = &alc1308_dp1
},
{
/* Data out for I.V sensing */
.port = 2,
.source = &alc1308_dp1
},
{
/* Data out for I.V sensing */
.port = 4,
.source = &alc1308_dp1
}
}
};
static void soundwire_alc1308_fill_ssdt(const struct device *dev)
{
struct drivers_soundwire_alc1308_config *config = dev->chip_info;
const char *scope = acpi_device_scope(dev);
struct acpi_dp *dsd;
if (!dev->enabled || !scope)
return;
acpigen_write_scope(scope);
acpigen_write_device(acpi_device_name(dev));
/* Set codec address IDs. */
alc1308_address.link_id = dev->path.generic.id;
alc1308_address.unique_id = dev->path.generic.subid;
acpigen_write_ADR_soundwire_device(&alc1308_address);
acpigen_write_name_string("_DDN", config->desc ? : dev->chip_ops->name);
acpigen_write_STA(acpi_device_status(dev));
dsd = acpi_dp_new_table("_DSD");
soundwire_gen_codec(dsd, &alc1308_codec, NULL);
acpi_dp_write(dsd);
acpigen_pop_len(); /* Device */
acpigen_pop_len(); /* Scope */
}
static const char *soundwire_alc1308_acpi_name(const struct device *dev)
{
struct drivers_soundwire_alc1308_config *config = dev->chip_info;
static char name[5];
if (config->name)
return config->name;
snprintf(name, sizeof(name), "SW%1X%1X", dev->path.generic.id, dev->path.generic.subid);
return name;
}
static struct device_operations soundwire_alc1308_ops = {
.read_resources = noop_read_resources,
.set_resources = noop_set_resources,
.acpi_name = soundwire_alc1308_acpi_name,
.acpi_fill_ssdt = soundwire_alc1308_fill_ssdt,
};
static void soundwire_alc1308_enable(struct device *dev)
{
dev->ops = &soundwire_alc1308_ops;
}
struct chip_operations drivers_soundwire_alc1308_ops = {
.name = "Realtek ALC1308 SoundWire Codec",
.enable_dev = soundwire_alc1308_enable
};
|
